Lemna perpusilla subsp. trinervis Austin Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Alismatales family Araceae genus Lemna species Lemna aequinoctialis Name Homonyms Lemna perpusilla var. trinervis Austin Lemna perpusilla var. trinervis Austin ex A.Gray, 1867 Lemna perpusilla subsp. trinervis Austin